中文摘要：

基于上海市居民购物行为的问卷调查数据，研究居民购物行为的时空间特征，并从主观决策和客观物质空间的两个方面探讨其影响因素。结果表明，上海市居民购物行为表现出低频率、夜间化、短距离以及非机动与公交出行方式为主的一般特征；商品购物出行的时空间等级明显，但具有分散化和扁平化的特征。其中，不同商品购物活动空间选择因素的不同导致其购物出行范围的等级性差异，而城市商业物质环境和空间分布更多地决定了居民购物行为的具体方式、空间大小和集中程度。

英文摘要：

Based on questionnaire survey and field investigation in Shanghai, the paper tries to find the time and spatial characteristics of resi- dents＇ shopping behavior. Besides, further research on its relative influencing factors is carried out from views of individual choice and space. The results show that the characteristics of shopping behavior of residents is Shanghai can be summed up as an typical activity of low - frequency, close - travel distance, non - motor-oriented mode as well as night tirming. Meanwhile, the shopping activity space shows obvious hierarchical characteristic, but with a condensational trend. Further, the hierarchy of shopping trip of different commodities is explained by individual choice course while the travel mode, range of the space and the concentrated extent mostly rest on the physical space of retaihng of the city.